<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>闭包</title>
</head>

<body>
</body>
<script>
function Foo() {
    getName = function() { console.log(1); };
    return this;
}
Foo.getName = function() { console.log(2); };
Foo.prototype.getName = function() { console.log(3); };
var getName = function() { console.log(4); };

function getName() { console.log(5); }

//请写出以下输出结果：
Foo.getName(); //2
getName(); //4
Foo().getName(); //1
getName(); //1
new Foo.getName(); //2
new Foo().getName(); //3
new new Foo().getName(); //3
</script>

</html>